Sofa or similar article



FIG. 1 is a front perspective view of a sofa showing my design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a side elevational view thereof;

FIG. 7 is a front perspective view of a modified form of the sofa of FIG. 1; and

FIG. 8 is a rear perspective view thereof. 

The ornamental design for a sofa or similar article, as shown and described. 